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O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2013 · Q91 Mark

Which statement describes the conversion of magnesium atoms to magnesium ions?

AThe change is reduction, because there has been a gain of electrons.
BThe change is oxidation, because there has been a loss of electrons.
CThe change is reduction, because there has been a loss of electrons.
DThe change is oxidation, because there has been a gain of electrons.

✓ Correct answer

B: The change is oxidation, because there has been a loss of electrons.

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About this question

Topic
Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 9.

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